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September is the ninth month of the year in both the
Julian Julian may refer to: People * Julian (emperor) (331–363), Roman emperor from 361 to 363 * Julian (Rome), referring to the Roman gens Julia, with imperial dynasty offshoots * Saint Julian (disambiguation), several Christian saints * Julian (give ...
and Gregorian calendars, the third of four months to have a length of 30 days, and the fourth of five months to have a length of fewer than 31 days. September in the
Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...
and March in the Southern Hemisphere are seasonally equivalent. In the Northern hemisphere, the beginning of the meteorological
autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September ( Northern Hemisphere) or March ( Sou ...
is on 1 September. In the Southern hemisphere, the beginning of the meteorological
spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a ...
is on 1 September.  September marks the beginning of the
ecclesiastical year The liturgical year, also called the church year, Christian year or kalendar, consists of the cycle of liturgical seasons in Christian churches that determines when feast days, including celebrations of saints, are to be observed, and which ...
in the Eastern Orthodox Church. It is the start of the
academic year An academic year or school year is a period of time which schools, colleges and universities use to measure a quantity of study. School holiday School holidays (also referred to as vacations, breaks, and recess) are the periods during which sch ...
in many countries of the northern hemisphere, in which children go back to school after the summer break, sometimes on the first day of the month. September (from Latin ''septem'', "seven") was originally the seventh of ten months in the oldest known Roman calendar, the calendar of Romulus , with March (Latin ''
Martius Martius may refer to: * Martius (month) the month of March on the ancient Roman calendar * Campus Martius, the "Field of Mars" in ancient Rome * Telo Martius, an ancient name for Toulon, France People * Carl Friedrich Philipp von Martius (1794–1 ...
'') the first month of the year until perhaps as late as 451 BC. After the calendar reform that added
January January is the first month of the year in the Julian and Gregorian calendars and is also the first of seven months to have a length of 31 days. The first day of the month is known as New Year's Day. It is, on average, the coldest month of the ...
and
February February is the second month of the year in the Julian and Gregorian calendars. The month has 28 days in common years or 29 in leap years, with the 29th day being called the ''leap day''. It is the first of five months not to have 31 days (th ...
to the beginning of the year, September became the ninth month but retained its name. It had 29 days until the Julian reform, which added a day.


September events

Ancient Roman In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 BC ...
observances for September include Ludi Romani, originally celebrated from September 12 to September 14, later extended to September 5 to September 19. In the 1st century BC, an extra day was added in honor of the deified Julius Caesar on 4 September. Epulum Jovis was held on September 13. Ludi Triumphales was held from September 18–22. The Septimontium was celebrated in September, and on December 11 on later calendars. These dates do not correspond to the modern Gregorian calendar. September was called "harvest month" in Charlemagne's calendar. September corresponds partly to the Fructidor and partly to the Vendémiaire of the
first French republic In the history of France, the First Republic (french: Première République), sometimes referred to in historiography as Revolutionary France, and officially the French Republic (french: République française), was founded on 21 September 1792 ...
. September is called ''Herbstmonat'', harvest month, in Switzerland. The
Anglo-Saxon The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...
s called the month ''Gerstmonath'', barley month, that crop being then usually harvested. In 1752, the British Empire adopted the Gregorian calendar. In the British Empire that year,
September 2 Events Pre-1600 *44 BC – Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion. * 44 BC – Cicero launches the first of his ''Philippicae'' (oratorical attacks) on Mark Antony. He will make 14 of them ...
was immediately followed by September 14. On Usenet, it is said that September 1993 (
Eternal September Eternal September or the September that never ended is Usenet slang for a period beginning around 1993 when Internet service providers began offering Usenet access to many new users. The flood of new users overwhelmed the existing culture for onl ...
) never ended.


September in astronomy and astrology

The September equinox takes place in this month, and certain observances are organized around it. It is the Autumn equinox in the Northern Hemisphere, and the
Vernal equinox Spring equinox or vernal equinox or variations may refer to: * March equinox, the spring equinox in the Northern Hemisphere * September equinox, the spring equinox in the Southern Hemisphere Other uses * Nowruz, Persian/Iranian new year which be ...
in the Southern Hemisphere. The dates can vary from 21 September to 24 September (in UTC). September is mostly in the sixth month of the astrological calendar (and the first part of the seventh), which begins at the end of March/Mars/Aries.


September symbols

* September's
birthstone A birthstone is a gemstone A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rock ...
is the sapphire. *The birth flowers for September are the forget-me-not, morning glory and
aster Aster or ASTER may refer to: Biology * ''Aster'' (genus), a genus of flowering plants ** List of ''Aster'' synonyms, other genera formerly included in ''Aster'' and still called asters in English * Aster (cell biology), a cellular structure shap ...
. * The zodiac signs for the month of September are Virgo (until September 22) and
Libra Libra generally refers to: * Libra (constellation), a constellation * Libra (astrology), an astrological sign based on the star constellation Libra may also refer to: Arts and entertainment * ''Libra'' (novel), a 1988 novel by Don DeLillo Musi ...
(September 23 onwards).. Signs in UT/GMT for 1950–2030.


Observances

''This list does not necessarily imply either official status or general observance.''


Non-Gregorian observances: 2020 dates

*
List of observances set by the Bahá'í calendar A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...
*
List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...
* List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar


Month-long observances

*
Amerindian Heritage Month (Guyana) Welcome to Micobie! — Heritage Village 2012 guyanachronicle.com/2012/09/09/welcome-to-micobie-heritage-village-2012 Amerindian Heritage Month is an annual observance that is held every September in Guyana in honour of Guyana's indigenous peoples. ...
*
Childhood Cancer Awareness Month Young Lives vs Cancer, the operating name for "CLIC Sargent", is a charity in the United Kingdom formed in 2005. Young Lives vs Cancer is the UK's leading cancer charity for children, young people and their families. Its care teams provide speci ...
(United Kingdom) *Gynecologic Cancer Awareness Month *Leukemia and Lymphoma Awareness Month *Ovarian Cancer Awareness Month *Thyroid Cancer Awareness Month *National Suicide Prevention Month


United States observances

* Better Breakfast Month * Food Safety Education Month * National
Childhood Obesity Childhood obesity is a condition where excess body fat negatively affects a child's health or well-being. As methods to determine body fat directly are difficult, the diagnosis of obesity is often based on BMI. Due to the rising prevalence of ...
Awareness Month * Hydrocephalus Awareness Month *
Pain Awareness Month September is Pain Awareness Month in the United States. The American Chronic Pain Association (ACPA) declared this month to “raise public awareness of issues in the area of pain and pain management.” History In 2001, the ACPA led a coalit ...
*
National Preparedness Month Since its inception in 2004, National Preparedness Month is observed each September in the United States of America. It is sponsored by the Federal Emergency Management Agency (FEMA) within the Department of Homeland Security and encourages America ...
*
National Prostate Health Month National Prostate Health Month (NPHM), also known as National Prostate Cancer Awareness Month, is observed every September in North America by health experts, health advocates, and individuals concerned with men's prostate health and prostate canc ...
* National Sickle Cell Awareness Month *
National Yoga Month Yoga as exercise is a physical activity consisting mainly of postures, often connected by flowing sequences, sometimes accompanied by breathing exercises, and frequently ending with relaxation lying down or meditation. Yoga in this form has ...


= Food Months

= *
National Bourbon Heritage Month National Bourbon Heritage Month is an observance in the United States that calls for celebration of bourbon as America's "Native Spirit" during the month of September. On August 2, 2007, the US Senate declared September 2007 as "National Bourbon He ...
* California Wine Month * National Chicken Month *
National Honey Month National Honey Month is a celebratory and promotional event held annually during the month of September in the United States. Its purpose is to promote Beekeeping in the United States, American beekeeping, the beekeeping industry, and honey as a ...
* National Mushroom Month * National Italian Cheese Month * National Papaya Month * National Potato Month * National Rice Month * National Whole Grains Month * National Wild Rice Month


Movable Gregorian observances

* Engineering Day (Egypt) *
White Balloon Day White Balloon Day is a symbol of support for survivors of child sexual abuse. It first began after a public meeting in Belgium in October 1996, when 300,000 people gathered with white balloons to show public sympathy and support for the parents of ...
*
Day of the Programmer Programmer's Day, also known as the Day of the Programmer, is a professional day that is celebrated in Russian Federation on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap ...
*
Te Wiki o te Reo Māori ( en, Māori Language Week) is a government-sponsored initiative intended to encourage New Zealanders to promote the use of the Māori language which is an official language of the country. Māori Language Week is part of a broader movement to ...
(Māori Language Week) ( New Zealand) *See also Movable Western Christian observances *See also Movable Eastern Christian observances


First Wednesday

* Administrative Professionals' Day ( South Africa)


First Thursday

* Engineer's Days ( Tanzania)


First Friday

* Engineer's Days ( Tanzania) *
Labor Day Labor Day is a federal holiday in the United States celebrated on the first Monday in September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United St ...
( Marshall Islands) * Teachers' Day ( Singapore)


First Sunday

*
Brazilian Day Brazilian Day is an annual festival which takes place in New York City (NYC) and other cities around the world. It is held near the beginning of September to celebrate Brazil's independence day celebrated today in the Federative Republic of Brazi ...
( International observance) * Father's Day (
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
,
Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
, New Zealand, Papua New Guinea) *
Memorial of the Holy Guardian Angels The Memorial of the Holy Guardian Angels is a memorial of the Catholic Church officially observed on 2 October. In some places, the feast is observed on the first Sunday in September with the permission of the Congregation for Divine Worship. Ca ...
( Roman Catholic Church, October 2 in most locations, first Sunday in September by special dispensation)


First Sunday after September 4

* Wakes Week (Parts of England and Scotland) ** Abbots Bromley Horn Dance ( Abbots Bromley,
Staffordshire Staffordshire (; postal abbreviation Staffs.) is a landlocked county in the West Midlands region of England. It borders Cheshire to the northwest, Derbyshire and Leicestershire to the east, Warwickshire to the southeast, the West Midlands Cou ...
, England)


Week of the First Monday

*
National Payroll Week National Payroll Week (NPW) is a national awareness campaign held annually during the week of Labor Day, hosted by the American Payroll Association (APA) in the United States, the Chartered Institute of Payroll Professionals (CIPP) in the UK, an ...
( United States, Canada, United Kingdom)


Week of September 10

*
National Suicide Prevention Week National Suicide Prevention Week (NSPW) is an annual week-long campaign in the United States to inform and engage health professionals and the general public about suicide prevention and warning signs of suicide. By drawing attention to the prob ...
( United States)


First Monday

*
Labour Day Labour Day ('' Labor Day'' in the United States) is an annual holiday to celebrate the achievements of workers. Labour Day has its origins in the labour union movement, specifically the eight-hour day movement, which advocated eight hours for ...
( Canada, Palau, United States)


Nearest weekday to September 12

* Saragarhi Day ( Sikhism) * Patriot Day ( United States)


Second Saturday

* Day of the Workers in the Oil, Gas, Power, and Geological Industry ( Turkmenistan)


Saturday after first Monday

* Carl Garner Federal Lands Cleanup Day ( United States)


Second Sunday

* Auditor's Day (
Church of Scientology The Church of Scientology is a group of interconnected corporate entities and other organizations devoted to the practice, administration and dissemination of Scientology, which is variously defined as a cult, a scientology as a business, bu ...
) * Father's Day (
Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...
) *
National Grandparents' Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...
( Canada, Estonia) * Tanker's Day ( Russia) * Turkmen Bakhshi Day ( Turkmenistan)


First Sunday after first Monday

*
National Grandparents' Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...
( United States)


Week of September 17

*
Celebrate Freedom Week Celebrate Freedom Week is an official holiday celebrated by five U.S. states. Celebrate Freedom Week is a week designed to emphasize the teaching of the country's origins with an emphasis on the founding documents. The curriculum is taught to childr ...
( Kansas and Texas, United States)


Third Tuesday

* Prinsjesdag ( Netherlands)


September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday

* Constitution Day (United States)


Third Friday

*
National POW/MIA Recognition Day In the United States, National POW/MIA Recognition Day is observed on the third Friday in September. It honors those who were prisoners of war (POWs) and those who are still missing in action (MIA). It is most associated with those who were POWs d ...
( United States)


Third Saturday

* National Cleanup Day (United States) * Oktoberfest celebrations begin (
German diaspora The German diaspora consists of German people and their descendants who live outside of Germany. The term is used in particular to refer to the aspects of migration of German speakers from central Europe to different countries around the world. ...
, local dates may vary) *
Software Freedom Day Software Freedom Day (SFD) is an annual worldwide celebration of Free Software organized by the Digital Freedom Foundation (DFF). SFD is a public education effort with the aim of increasing awareness of Free Software and its virtues, and enc ...
( International observance)


Weekend of the week of September 17

*
Von Steuben Day Von Steuben Day is a holiday traditionally held on a weekend in mid-September (von Steuben was born September 17), celebrating the Prussian-born Baron Friedrich von Steuben, who arrived in the United States as a volunteer offering his services to ...
( United States)


Third Sunday

* Day of the Walloon Region ( Wallonia, Belgium) * Father's Day ( Ukraine) * Federal Day of Thanksgiving, Repentance and Prayer (
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
) *
Warachikuy During the Inca Empire Warachikuy (Quechua) was a ceremony where young men, after undergoing various tests of skill and valor, could receive the official status of an adult man. Today Warachikuy is still an important festival which represents the An ...
(
Cusco Cusco, often spelled Cuzco (; qu, Qusqu ()), is a city in Southeastern Peru near the Urubamba Valley of the Andes mountain range. It is the capital of the Cusco Region and of the Cusco Province. The city is the list of cities in Peru, seventh m ...
, Peru)


Week of Sunday before September 23

*
Bisexual Awareness Week The Bisexual Awareness Week, also known as #BiWeek, is an annual celebration held from September 16–23. It is an extension of Celebrate Bisexuality Day, held annually on September 23. The celebration promotes cultural acceptance of the bise ...


Week of September 22

* Tolkien Week


Last week

*
Banned Books Week Banned Books Week is an annual awareness campaign promoted by the American Library Association and Amnesty International, that celebrates the freedom to read, draws attention to banned and challenged books, and highlights persecuted individua ...
( International observance):


Last full week

* National Forest Week ( Canada) ** National Tree Day (Wednesday of last full week): *
Celebrate Freedom Week Celebrate Freedom Week is an official holiday celebrated by five U.S. states. Celebrate Freedom Week is a week designed to emphasize the teaching of the country's origins with an emphasis on the founding documents. The curriculum is taught to childr ...
( Arkansas and Florida, United States)


Third Monday

* Respect for the Aged Day (
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
)


Observances pertaining to the September Equinox

* Autumnal Equinox Day (
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
) ** French Republican New Year. (defunct) *
Guldize Guldize, Gooldize (sometimes Dicklydize or Nickly Thize) is the harvest festival of the Cornish people. Guldize is an anglicization of Cornish ''Gool dheys'' "the feast of ricks" (i.e., grain stacks). The festival was held at the end of the wheat h ...
( Cornish people) * Higan (
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
) * Mabon (
Neopaganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various Paganism, historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of No ...
,
Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...
) *
Miķeļi Miķeļi nav gadskārta () or Miķeļdiena is a Latvian autumn equinox and annual harvest festival and market. Latvian Miķeļi dainas referred to good and rich husbands as bread fathers, who are associated with the autumn harvest ripening. In di ...
(
Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...
) * Ostara (
Neopaganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various Paganism, historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of No ...
, Southern Hemisphere)


Fourth Friday

*
Native American Day Native American Day is a holiday observed in several states in celebration of Native American culture. In California and Nevada, the holiday is designated on the fourth Friday of September, whereas in South Dakota and Wisconsin, it falls on the ...
( California, United States)


Last Friday

* Manit Day ( Marshall Islands)


Last Saturday

* Girls in Aviation Day ( International observance) * National Public Lands Day ( United States)


Last Sunday

* Daylight saving time begins ( New Zealand) *
Gold Star Mother's Day A service flag or service banner is a banner that family members of those serving in the United States Armed Forces can display. The flag or banner is officially defined as a white field with a red border, with a blue star for each family member s ...
( United States)


Fourth Monday

*
American Indian Day Native American Day is a holiday observed in several states in celebration of Native Americans in the United States, Native American culture. In California and Nevada, the holiday is designated on the fourth Friday of September, whereas in South ...
( Tennessee, United States) *
September Declaration The September Declaration (Dutch: ''Septemberverklaring'') is the annual government policy statement of Flanders in the form of a speech by the Minister-President of Flanders to the members of the Flemish Parliament. The Declaration, drafted by the ...
( Flanders, Belgium)


Last Wednesday

* Maple Leaf Day ( Canada)


Last weekday in September

*
Ask a Stupid Question Day Ask a Stupid Question Day is a holiday that is sometimes celebrated in the United States, usually by school students and teachers. Although Ask a Stupid Question Day's default date is September 28, in practice it is usually observed on the last sc ...
( India, United Kingdom, United States)


Fixed Gregorian observances

*
September 1 Events Pre-1600 * 1145 – The main altar of Lund Cathedral, at the time seat of the archiepiscopal see of all the Nordic countries, is consecrated. * 1173 – The widow Stamira sacrifices herself in order to raise the siege of Ancon ...
**List of holidays by country#Eritrea, Anniversary of the Start of the Armed Struggle (Eritrea) **Constitution Day (Slovakia) **1923 Great Kantō earthquake, Disaster Prevention Day (
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
) **Emma Nutt#Commemoration, Emma Nutt Day ( International observance) **First day of school in many countries in Asia, Europe and the Americas. **Flag Day (Honduras) **Independence Day (Uzbekistan) **Journalist Day (Taiwan) **Knowledge Day ( Russia, Ukraine and Armenia) **List of food days#September, National Cherry Popover Day ( United States) **Random Acts of Kindness Day ( New Zealand) **Start of National Arbor Week ( South Africa), September 1–7 **Public holidays in Poland#Holidays declared by statute, Veteran's Day (Poland) ** Teachers' Day ( Singapore) **Wattle Day (
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
) *
September 2 Events Pre-1600 *44 BC – Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion. * 44 BC – Cicero launches the first of his ''Philippicae'' (oratorical attacks) on Mark Antony. He will make 14 of them ...
**Parliament of the Central Tibetan Administration, Democracy Day (Tibet) **Independence Day (Transnistria, unrecognized) **Independence Day (Nagorno-Karabakh Republic, unrecognized) **List of food days#September, National Blueberry Popsicle Day ( United States) **National Day (Vietnam) **Sedantag (German Empire, defunct) **Victory over Japan Day ( United States) *September 3 **China's Victory over Japan Day, victory over Japan commemoration related observances: ***Armed Forces Day#Republic of China, Armed Forces Day (Republic of China) ***Victory over Japan Day#China, V-J Day (People's Republic of China) **Feast of San Marino and the Republic (Republic of San Marino) **Flag Day (Australia) **Independence Day (Qatar) **Levy Mwanawasa Day (Zambia) **Memorial Day (Tunisia) **Canadian Merchant Navy, Merchant Navy Remembrance Day ( Canada) **Merchant Navy (United Kingdom) **List of food days#September, National Welsh Rarebit Day ( United States) **Public holidays in Tokelau, Tokehega Day (Tokelau, New Zealand) *September 4 **Scientology holidays, Clear Day (Scientology) **Immigration to Argentina, Immigrant's Day (Argentina) **List of food days#September, National Macadamia Nut Day ( United States) **Newspaper Carrier Day ( United States) *September 5 **International Day of Charity **List of food days#September, National Cheese Pizza Day ( United States) ** Teachers' Day ( India) *September 6 **Public holidays in São Tomé and Príncipe, Armed Forces Day (São Tomé and Príncipe) **Public holidays in Pakistan, Defence Day or Armed Forces Day#Pakistan, Army Day (Pakistan) **Flag Day (Bonaire) **Independence Day (Eswatini) **List of food days#September, National Coffee Ice Cream Day ( United States) **Unification Day (Bulgaria) *September 7 **Air Force Day (Pakistan) **Independence Day (Brazil) **Armed Forces of Ukraine#Military holidays, Military Intelligence Day (Ukraine) **List of food days#September, National Acorn Squash Day ( United States) **List of food days#September, National Beer Lover's Day ( United States) **List of food days#September, National Salami Day ( United States) **Benjamin the thylacine, National Threatened Species Day (
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
) **Public holidays in Mozambique, Victory Day (Mozambique) *September 8 **Days of Military Honour, Day of the Battle of Borodino (Russia) **Our Lady of Meritxell, Feast Day of Our Lady of Meritxell (Andorra) **Independence Day (North Macedonia) **International Literacy Day **Martyrs' Day (Afghanistan) (date may fall on September 9, follows a non-Gregorian calendar) **National day (Andorra) **Nativity of Mary ( Roman Catholic Church), (Anglo-Catholicism) ***Monti Fest (Mangalorean Catholic) **Victory Day#September 8 in Pakistan, Victory Day (Pakistan) **Victory Day (Malta) **World Physical Therapy Day *September 9 **Armed Forces of Ukraine#Military holidays, Armored Forces Day (Ukraine) **California Admission Day ( California, United States) **Children's Day (Costa Rica) **Chrysanthemum Day (Japanese calendar#National holidays, Japan) **Remembrance days in Slovakia, Day of the Victims of Holocaust and of Racial Violence (Slovakia) **Emergency Services Day (United_Kingdom), Emergency Services Day (United Kingdom) **Public holidays in North Korea, Independence Day or Republic Day (North Korea) **Independence Day (Tajikistan) from USSR in 1991. **Martyrs' Day (Afghanistan) (date may fall on September 8, follows a non-Gregorian calendar) **List of food days#September, National Steak Au Poivre Day (United States) **Ásatrú holidays#The Troth, Remembrance for Herman the Cheruscan (The Troth) **List of food days#September, Wienerschnitzel Day (United States) **Thomas Roy#List of days, Wonderful Weirdos Day *September 10 **Amerindian Heritage Month (Guyana), Amerindian Heritage Day (Guyana) **Children's Day (Honduras) **Gibraltar National Day, National Day (Gibraltar) **List of food days#September, National TV Dinner Day ( United States) **Saint George's Caye Day (Belize) ** Teachers' Day (China) **World Suicide Prevention Day *September 11 **Days of Military Honour, Battle of Tendra Day (Russia) **Muhammad Ali Jinnah, Death Anniversary of Quaid-e-Azam Muhammad Ali Jinnah, a former holiday. (Pakistan) **List of observances in the United States by presidential proclamation#Annual special days recognized by presidential proclamation, Emergency Number Day (United States) **Enkutatash falls on this day if it is not a leap year.(Ethiopia, Rastafari) **National Day of Catalonia (Catalonia) **List of food days#September, National Hot Cross Bun Day (United States) **Nayrouz (Coptic Orthodox Church) ** Patriot Day (United States) **Thomas Roy#List of days, Remember Freedom Day ** Teachers' Day (Argentina) *September 12 **Most Holy Name of the Blessed Virgin Mary **Day of Conception (Russia) **
Day of the Programmer Programmer's Day, also known as the Day of the Programmer, is a professional day that is celebrated in Russian Federation on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap ...
, during a leap year. (International) **Defenders Day (Maryland), Defenders Day (Maryland. (United States) **Enkutatash falls on this day if it is a leap year. (Ethiopia, Rastafari) **Mindfulness Day **List of food days#September, National Chocolate Milkshake Day (United States) **Public holidays in Cape Verde, National Day (Cape Verde) **National Day of Encouragement (United States) ** Saragarhi Day ( Sikhism) (this day or nearest weekday, 2015 date: September 11) *September 13 **
Day of the Programmer Programmer's Day, also known as the Day of the Programmer, is a professional day that is celebrated in Russian Federation on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap ...
, during a non-leap year. (International) **Feast of the Cross#September 13, Feast of the Cross (Assyrian Church of the East) **''Niños Héroes, Día de los Niños Héroes'' (Mexico) ** Engineer's Day (Mauritius) **International Chocolate Day **List of food days#September, National Peanut Day ( United States) * September 14 **Children's Day#Nepal, Children's Day (Nepal) (celebrated on the 15th on leap years) ** Engineer's Day (Romania) **Feast of the Cross (Christianity) ***Elevation of the Holy Cross (Eastern Orthodox) **Hindi Diwas (Hindi Belt, Hindi-speaking regions) **Armed Forces of Ukraine#Military holidays, Mobilized Servicemen Day (Ukraine) **List of food days#September, National Cream Filled Donut Day ( United States) **List of food days#September, National Eat a Hoagie Day (United States) **Battle of San Jacinto (1856), San Jacinto Day (Nicaragua) *September 15 **Battle of Britain#Battle of Britain Day, Battle of Britain Day (United Kingdom) **Children's Day#Nepal, Children's Day (Nepal) (leap years only) ** Engineer's Day (India) **Free Money Day (International) **Independence Day (Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica) **International Day of Democracy (International observance, International) **Public holidays in Azerbaijan#Other observances, Knowledge Day (Azerbaijan) **List of food days#September, National Crème de Menthe Day ( United States) **List of food days#September, National Double Cheeseburger Day ( United States) **List of food days#September, National Linguine Day ( United States) **List of food days#September, National Cheese Toast Day ( United States) **Días Patrios (Guatemala), Patriotic Day (Guatemala) **Public holidays in Slovenia, Restoration of Primorska to the Motherland Day (Slovenia) **Silpa Bhirasri, Silpa Bhirasri Day (Thailand). **World Lymphoma Awareness Day **The beginning of National Hispanic Heritage Month, celebrated until October 15 (United States) *September 16 **Grito de Dolores (Mexico) **Independence Day (Papua New Guinea), celebrates the independence of Papua New Guinea from Australia in 1975. **International Day for the Preservation of the Ozone Layer **Armed Forces Day#Malaysia, Malaysian Armed Forces Day (Malaysia) **Malaysia Day (Malaysia, Singapore) **Martyrs' Day#Libya, Martyrs' Day (Libya) **National Heroes Day (Saint Kitts and Nevis), Heroes' Day (Saint Kitts and Nevis) **List of food days#September, National Cinnamon Raisin Toast Day ( United States) **List of food days#September, National Guacamole Day ( United States) **Thomas Roy#List of days, Stay Away from Seattle Day *September 17 **Australian Citizenship Day ** Constitution Day (United States) (observed on the previous Friday if it falls on a Saturday, the following Monday if on a Sunday) **Start of Constitution Week, runs from September 17–23 **Heroes' Day (Angola) **Marathwada Liberation Day (India) **List of food days#September, National Apple Dumpling Day ( United States) **List of food days#September, National Monte Cristo Sandwich Day ( United States) **Operation Market Garden, Operation Market Garden Anniversary is still remembered with parachuting and dedications on this day. (Netherlands) ** Teachers' Day (Honduras) **
Von Steuben Day Von Steuben Day is a holiday traditionally held on a weekend in mid-September (von Steuben was born September 17), celebrating the Prussian-born Baron Friedrich von Steuben, who arrived in the United States as a volunteer offering his services to ...
. (United States), weekend of the week of September 17. *September 18 **Day of National Music (Azerbaijan) **First day of Fiestas Patrias (Chile) or ''Dieciocho'' (Chile) **Ryukyuan languages#Status, Island Language Day (Okinawa Prefecture, Japan) **List of food days#September, National Cheeseburger Day ( United States) **Navy Day (Croatia) **World Water Monitoring Day (International observance, International) *September 19 **Armed Forces Day (Chile) **Day of the First Public Appearance of the Slovak National Council **Feast of San Gennaro **Second day of Fiestas Patrias (Chile) **Independence Day (Saint Kitts and Nevis) **International Talk Like a Pirate Day **List of food days#September, National Butterscotch Pudding Day ( United States) *September 20 **Independence Day of South Ossetia (not fully recognized) **List of food days#September, National Pepperoni Pizza Day ( United States) **List of food days#September, National Punch Day ( United States) **List of food days#September, National Rum Punch Day ( United States) **National Youth Day (Thailand) **Oil Workers' Day (Azerbaijan) **Universal Children's Day (Germany) *September 21 **Arbor Day (Brazil) **Proclamation No. 1081, Commemoration of the Declaration of Martial Law (Philippines) **Customs Service Day (Poland) **Founder's Day (Ghana), Founder's Day and National Volunteer Day (Ghana) **Independence Day (Armenia), Independence Day, celebrates the independence of Armenia from the Soviet Union in 1991. **Independence Day (Belize), Independence Day, celebrates the independence of Belize from the United Kingdom in 1981. **Independence Day (Malta), Independence Day, celebrates the independence of Malta from the United Kingdom in 1964. **International Day of Peace (International observance, International) **List of food days#September, National Pecan Cookie Day ( United States) **September (Earth, Wind & Fire song), Acknowledgement of Earth, Wind, & Fire's "September" **Student's Day (Bolivia) **Victory over the Golden Horde in the Battle of Kulikovo (Russia) *September 22 **American Business Women's Day ( United States) **Thomas Roy#List of days, Dear Diary Day **Hobbit Day, the containing week is celebrated as Tolkien Week. (Tolkien fandom, American Tolkien Society) **Independence Day (Bulgaria), Independence Day, celebrates the independence of Bulgaria from the Ottoman Empire in 1908. **Independence Day (Mali), Independence Day, celebrates the independence of Mali from France in 1960. **OneWebDay, an annual day of Internet celebration and awareness, started in 2006. **Resistance Fighting Day ( Estonia) **World Car-Free Day *September 23 **Celebrate Bisexuality Day **Grito de Lares (Puerto Rico) **Holocaust Memorial Day (Lithuania) **Public holidays in Kyrgyzstan, Kyrgyz Language Day (Kyrgyzstan) **Saudi National Day, National Day (Saudi Arabia) **Teachers' Day (Brunei) *September 24 **Armed Forces Day (Peru) **Constitution Day (Cambodia) **La Mercè (Barcelona) **Heritage Day (South Africa) **Independence Day (Guinea-Bissau) **Mahidol Day (Thailand) **National Punctuation Day ( United States) **New Caledonia Day (New Caledonia) **Republic Day (Trinidad and Tobago) *September 25 **Harki, Day of National Recognition for the Harkis (France) **List of food days#Germany, German Butterbrot Day (Germany) **List of food days#September, National Lobster Day ( United States) **Public holidays in Nauru, National Youth Day (Nauru) **Public holidays in Mozambique, Revolution Day (Mozambique) *September 26 **Flag Day, Day of the National Flag (Ecuador) **Dominion Day ( New Zealand) **European Day of Languages (European Union) **List of food days#September, Johnny Appleseed Day ( United States) **List of food days#September, National Better Breakfast Day ( United States) **List of food days#September, National Dumpling Day ( United States) **National Good Neighbor Day ( United States) **List of food days#September, National Pancake Day ( United States) **Yemen Arab Republic, Revolution Day (Yemen) *September 27 **Consumación de la Independencia (Mexico) **French Community Holiday (French community of Belgium) **Meskel (Ethiopian Orthodox Church, Ethiopian and Eritrean Orthodox Church, following Julian calendar, September 28 on leap years) **List of food days#September, National Chocolate Milk Day ( United States) **List of food days#September, National Corned Beef Hash Day ( United States) **AIDS.gov#External links, National Gay Men's HIV/AIDS Awareness Day ( United States) **Polish Underground State's Day (Poland) **World Tourism Day *September 28 **
Ask a Stupid Question Day Ask a Stupid Question Day is a holiday that is sometimes celebrated in the United States, usually by school students and teachers. Although Ask a Stupid Question Day's default date is September 28, in practice it is usually observed on the last sc ...
( United States) **Czech Statehood Day (Czech Republic) **List of food days#September, Family Day – A Day to Eat Dinner with Your Children ( United States) **Thomas Roy#List of days, Fish Tank Floorshow Night **Freedom from Hunger Day **International Right to Know Day **Meskel (Ethiopian Orthodox Church, Ethiopian and Eritrean Orthodox Church, September 28 on leap years only, all other years is September 27) **National Day of Awareness and Unity against Child Pornography (Philippines) ** Teachers' Day (Taiwan and Chinese-Filipino schools in the Philippines) **World Rabies Day *September 29 ** Feast of the Archangels Michael (archangel), Michael, Gabriel, and Raphael (archangel), Raphael. **List of food days#September, National Biscotti Day ( United States) **International Coffee Day, National Coffee Day (multiple countries, see article) **Inventors' Day (Argentina) **Michaelmas One of the four quarter days in the Irish calendar. (England and Ireland) **Victory of Boquerón Day (Paraguay) **World Heart Federation, World Heart Day *September 30 **Agricultural Reform (Nationalization) Day (São Tomé and Príncipe) **Birth of Morelos (Mexico) **Blasphemy Day ( United States, Canada, other countries) **Public holidays in Poland#Holidays declared by statute, Boy's Day (Poland) **Independence Day (Botswana) **International Translation Day (International Federation of Translators) **List of food days#September, National Hot Mulled Cider Day ( United States) **Recovery Day ( Canada) **Orange Shirt Day ( Canada)


References


External links

* * * {{Authority control September, Months, *09